A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 4140-00-504-1829
NSN 5935-00-491-6370
NSN 5895-01-016-4528
NSN 6150-00-271-0520
NSN 5945-01-303-7461
NSN 2925-01-043-9786
NSN 6620-00-299-2530
NSN 5930-01-319-6923
NSN 5905-01-074-5440
NSN 6105-00-519-2808
NSN 6610-01-065-1073
NSN 5920-01-259-3152